Reinsurance (Tables)

3 Months Ended

Mar. 31, 2020

Retrocession Arrangements And Reinsurance Ceded Receivables [Abstract]

Ceded Credit Risk [Table Text Block]

The following table presents information for the Company’s reinsurance ceded receivable assets, including the respective amount and A.M. Best rating for each reinsurer representing in excess of five percent of the total as of March 31, 2020 or December 31, 2019 (dollars in millions):

		March 31, 2020				December 31, 2019
Reinsurer	A.M. Best Rating	Amount		% of Total		Amount		% of Total
Reinsurer A	A+	$	383	43.1	%	$	367	40.6	%
Reinsurer B	A+	193		21.7		208		23.0
Reinsurer C	A	65		7.3		84		9.3
Reinsurer D	A++	49		5.5		53		5.9
Reinsurer E	A+	42		4.7		43		4.8
Other reinsurers		157		17.7		149		16.4
Total		$	889	100.0	%	$	904	100.0	%